Source: U.S. Census Bureau, International Data Base This population will
be
(A) declining rapidly in the future
(B) growing slowly in the future
(C) remaining stable
(D) growing rapidly in the future
(E) declining slowly in the future
- Which of the following examples does NOT demonstrate a density-
dependent factor affecting the population size?
(A) The “black plagues” that occurred in Europe during the mid 14th
century and which are estimated to have killed up to one-third of the
European population (B) The number of lions inhabiting a grassland in
Africa
(C) Tropical plants located near the ground in a tropical rainforest
(D) An outbreak of influenza in a hospital
(E) The destruction of a rainforest in Brazil due to drought
- Density-independent factors would include all of the following EXCEPT
(A) drought
(B) fires
(C) predation
(D) flooding
(E) All of the above are density-dependent.
- Between 1963 and 2000, the rate of the world’s annual population change
__ but the human population size __ .
(A) dropped 40%; rose 90%
(B) rose 90%; dropped 40%
(C) dropped 90%; rose 40%
(D) remained stable; tripled
(E) rose 40%; dropped 2.9%
- Replacement level fertility (RLF) for a couple is (A) 1.0
(B) 2.0
(C) 2.1